22872646 has 8 divisors (see below), whose sum is σ = 35106984. Its totient is φ = 11170320.

The previous prime is 22872643. The next prime is 22872653. The reversal of 22872646 is 64627822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22872643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132895 + ... + 133066.

It is an arithmetic number, because the mean of its divisors is an integer number (4388373).

Almost surely, 2^22872646 is an apocalyptic number.

22872646 is a deficient number, since it is larger than the sum of its proper divisors (12234338).

22872646 is a wasteful number, since it uses less digits than its factorization.

22872646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266006.

The product of its digits is 64512, while the sum is 37.

The square root of 22872646 is about 4782.5355199936. The cubic root of 22872646 is about 283.8608307755.

The spelling of 22872646 in words is "twenty-two million, eight hundred seventy-two thousand, six hundred forty-six".